70408125 has 30 divisors (see below), whose sum is σ = 127095254. Its totient is φ = 37548000.

The previous prime is 70408109. The next prime is 70408133. The reversal of 70408125 is 52180407.

It can be written as a sum of positive squares in 5 ways, for example, as 11148921 + 59259204 = 3339^2 + 7698^2 .

It is not a de Polignac number, because 70408125 - 2⁴ = 70408109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 634 + ... + 11883.

Almost surely, 2^70408125 is an apocalyptic number.

70408125 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

70408125 is a deficient number, since it is larger than the sum of its proper divisors (56687129).

70408125 is a wasteful number, since it uses less digits than its factorization.

70408125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12543 (or 12525 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 70408125 is about 8390.9549516131. The cubic root of 70408125 is about 412.9279305638.

The spelling of 70408125 in words is "seventy million, four hundred eight thousand, one hundred twenty-five".